Removing Transmission-Oil Pump

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Remove transmission-oil pump -1- .
1. 1.1. Unscrew three M8 hexagon-head bolts (M8 x 25 at the top -2- , M8 x 30 at the bottom -3- ) on the oil pump.
  
  Fig 1: Identifying Oil Pump On Transmission
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Disconnect the oil pump -1- at the transmission flange.
1. 2.1. Position an aluminum mandrel -2- on the projecting part of the oil pump flange from below and loosen it by tapping it gently.
  Use a plastic hammer!
  
  Fig 2: Loosening Oil Pump At Side With Aluminum Mandrel
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 2.2. Loosen the projecting part of the flange on the opposite side using a mounting lever -2- .
  
  Fig 3: Loosening Oil Pump At Top With Mounting Lever
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Tap a solid plastic or wooden wedge -2- into the gap in the flange -arrows- . This loosens the oil pump -1- without tilting it.

Fig 4: Loosening Oil Pump With Plastic Wedge
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Replace two sealing rings on the transmission-oil pump.
Remove residual sealant from the two hexagon-head bolts at the top and from the related threaded bores on the flange. Then clean the thread.
IMPORTANT: The threaded bores at the top are through-bores. Close them off at the back when cleaning them.

Information
- Make sure that no filings/chips get into the transmission housing when deburring the surface.
Check the transmission flange -1- for sharp edges and burrs.
1. 6.1. Remove sharp edges or burrs using a polishing cloth -2- if necessary.
2. 6.2. Clean the flange carefully.
  
  Fig 5: Removing Sharp Edges On Oil Pump Flange Using Polishing Cloth
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.